BR8305770A - Rele de protecao - Google Patents
Rele de protecaoInfo
- Publication number
- BR8305770A BR8305770A BR8305770A BR8305770A BR8305770A BR 8305770 A BR8305770 A BR 8305770A BR 8305770 A BR8305770 A BR 8305770A BR 8305770 A BR8305770 A BR 8305770A BR 8305770 A BR8305770 A BR 8305770A
- Authority
- BR
- Brazil
- Prior art keywords
- protective relay
- relay
- protective
- Prior art date
Links
- 230000001681 protective effect Effects 0.000 title 1
- 238000004353 relayed correlation spectroscopy Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/265—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured making use of travelling wave theory
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Emergency Protection Circuit Devices (AREA)
- Glass Compositions (AREA)
- Vending Machines For Individual Products (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/436,101 US4450497A (en) | 1982-10-22 | 1982-10-22 | Ultra-high-speed relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8305770A true BR8305770A (pt) | 1984-05-29 |
Family
ID=23731113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8305770A BR8305770A (pt) | 1982-10-22 | 1983-10-19 | Rele de protecao |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4450497A (enrdf_load_stackoverflow) |
| JP (1) | JPS5996821A (enrdf_load_stackoverflow) |
| AU (1) | AU565161B2 (enrdf_load_stackoverflow) |
| BR (1) | BR8305770A (enrdf_load_stackoverflow) |
| CA (1) | CA1208348A (enrdf_load_stackoverflow) |
| ES (1) | ES8500518A1 (enrdf_load_stackoverflow) |
| IT (1) | IT1171764B (enrdf_load_stackoverflow) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4841405A (en) * | 1985-03-06 | 1989-06-20 | Westinghouse Electric Corp. | Protective relaying apparatus for providing fault-resistance correction |
| US5216621A (en) * | 1991-02-28 | 1993-06-01 | Mehta Tech. Inc. | Line disturbance monitor and recorder system |
| DE19914773B4 (de) * | 1999-03-31 | 2009-04-30 | Aeg Niederspannungstechnik Gmbh & Co Kg | Lichtbogenlöschhilfe |
| EP1315964B1 (en) * | 2000-09-08 | 2012-12-26 | Waters Technologies Corporation | Methods of determining the boundaries of a detector response profile |
| JP3830824B2 (ja) * | 2002-01-28 | 2006-10-11 | 株式会社東芝 | ディジタル形方向継電器 |
| US7460346B2 (en) * | 2005-03-24 | 2008-12-02 | Honeywell International Inc. | Arc fault detection and confirmation using voltage and current analysis |
| CN101897094B (zh) * | 2007-12-14 | 2013-07-17 | Abb技术有限公司 | 故障方向确定 |
| US8340931B2 (en) * | 2009-10-05 | 2012-12-25 | Mehta Tech, Inc. | Power grid with comparison of differences in remote phasor changes |
| CN103026572B (zh) * | 2010-07-23 | 2015-07-01 | Abb技术有限公司 | 用于电容器组保护的方法和装置 |
| CN103728535B (zh) * | 2013-10-28 | 2016-09-14 | 昆明理工大学 | 一种基于小波变换暂态能量谱的特高压直流输电线路故障测距方法 |
| US10522995B2 (en) * | 2016-06-13 | 2019-12-31 | Schweitzer Engineering Laboratories, Inc. | Overcurrent element in time domain |
| CN111817273B (zh) * | 2020-07-08 | 2022-06-03 | 国网福建省电力有限公司检修分公司 | 基于六序分量法特高压同杆并架双回线路接地故障继电保护方法 |
| KR102715192B1 (ko) * | 2021-03-11 | 2024-10-10 | 한국전자기술연구원 | 반도체 패키지의 계면 고장 분석 장치 및 방법 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3599044A (en) * | 1970-04-30 | 1971-08-10 | Fuji Electric Co Ltd | Superhigh-speed relaying system and apparatus for protection of power systems |
| US3700919A (en) * | 1971-02-22 | 1972-10-24 | Allis Chalmers Mfg Co | Phase shift detector |
| CH642491A5 (de) * | 1978-08-29 | 1984-04-13 | Bbc Brown Boveri & Cie | Verfahren und einrichtung zur fehlerdetektion an elektrischen leitungen. |
| US4371907A (en) * | 1981-08-11 | 1983-02-01 | Westinghouse Canada Inc. | Protective relay apparatus and methods for protecting electrical power transmission lines |
-
1982
- 1982-10-22 US US06/436,101 patent/US4450497A/en not_active Expired - Fee Related
-
1983
- 1983-10-05 AU AU19912/83A patent/AU565161B2/en not_active Ceased
- 1983-10-12 CA CA000438788A patent/CA1208348A/en not_active Expired
- 1983-10-13 IT IT23291/83A patent/IT1171764B/it active
- 1983-10-19 BR BR8305770A patent/BR8305770A/pt unknown
- 1983-10-21 JP JP58196278A patent/JPS5996821A/ja active Granted
- 1983-10-21 ES ES526640A patent/ES8500518A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU565161B2 (en) | 1987-09-10 |
| US4450497A (en) | 1984-05-22 |
| AU1991283A (en) | 1984-05-03 |
| IT1171764B (it) | 1987-06-10 |
| CA1208348A (en) | 1986-07-22 |
| JPH027248B2 (enrdf_load_stackoverflow) | 1990-02-16 |
| ES526640A0 (es) | 1984-10-01 |
| IT8323291A0 (it) | 1983-10-13 |
| IT8323291A1 (it) | 1985-04-13 |
| ES8500518A1 (es) | 1984-10-01 |
| JPS5996821A (ja) | 1984-06-04 |
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